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A novel random hysteresis current control for a single-phase inverter

Author:
A Nami  H Ghoreishy  F Zare    


Journal:
Australian Journal of Electrical and Electronics Engineering


Issue Date:
2015


Abstract(summary):

Although a hysteresis current control technique is a simple and a reliable modulation scheme in switching control systems, its harmonic spectrum around the switching side band may not distribute properly. Random pulse width modulation technique is an effective scheme that distributes the harmonic spectrum of the load current, and it can reduce the acoustic noise and the mechanical vibration of inverter-fed motor drives. This paper presents a new method for hysteresis current control based on random band control for a better spreading of the harmonic spectrum of the load current. In this paper, the effect of the random-band hysteresis current control is analysed to determine the best hysteresis band variation and the results have been compared with the traditional hysteresis current control. Theoretical analysis and simulations have been performed to describe the method. Alireza Nami received his BEng and MEng degrees from Mazandaran University, Babol, Iran, in 2004 and 2006, respectively. He is currently working towards his PhD degree in the School of Engineering Systems at the Queensland University of Technology, Brisbane, Queensland, Australia. His research interests are in the areas of power electronic systems, pulse width modulation techniques, power converters topology and control. Hoda Ghoreishy received her BEng degree from Amir Kabir University of Technology, Tehran, Iran, in 2004, and her MEng Degree from Mazandaran University, Babol, Iran, in 2006. She is currently working towards he PhD degree in the Electrical & Computer Engineering Department at Tarbiat Modares University, Tehran, Iran. Her research interests are in the areas of power electronic systems, pulse width modulation techniques, renewable energy systems and FACTS devices. Dr Firuz Zare was born in Iran. He holds a PhD degree in Electrical Engineering from Queensland University of Technology in Australia. He has worked as a development engineer and a consultant in industry for several years. He has joined the School of Engineering Systems at the Queensland University of Technology in 2006. His research interests are power electronic applications, pulse-width modulation techniques, renewable energy systems and electromagnetic interferences.


Page:
285-292


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